using System;
using System.Collections;
using System.Collections.Specialized;
using System.Data;
using System.Data.SqlTypes;
using System.Data.SqlClient;
using System.Text;
using ECommerce.DAL;


namespace Entity
{
    /// <summary>
    /// This object represents the Private Fields of TblInquires.
    /// </summary>

    [System.ComponentModel.DataObject]
    public class TblInquires : DatabaseUtility
    {
        #region TblInquires Private Fields


        Int32 _inquiryId;
        String _name = String.Empty;
        String _organization = String.Empty;
        String _telephone = String.Empty;
        String _emailAddress = String.Empty;
        String _website = String.Empty;
        String _subject = String.Empty;
        String _inquires = String.Empty;
        DateTime _createDate;
        Boolean _isContacted;

        #endregion
        #region TblInquires Constractor
        /// <summary>
        /// Creates an empty object of TblInquires. 
        /// This is mainly used to create a new instance of TblInquires to add a new TblInquires.
        /// </summary>
        public TblInquires() { }


        /// <summary>
        /// Used to retrieve employee information from database, 
        /// which is also used by Update method to save information of an existing TblInquires.
        /// </summary>
        public TblInquires
        (
            Int32 inquiryId,
            String name,
            String organization,
            String telephone,
            String emailAddress,
            String website,
            String subject,
            String inquires,
            DateTime createDate,
            Boolean isContacted
        )
        {
            _inquiryId = inquiryId;
            _name = name;
            _organization = organization;
            _telephone = telephone;
            _emailAddress = emailAddress;
            _website = website;
            _subject = subject;
            _inquires = inquires;
            _createDate = createDate;
            _isContacted = isContacted;
        }

        #endregion
        #region TblInquires Properties

        /***********************************************************************************************
                                    -- PROPERTIES --        
         Contains all the properties representing the data fields of the current entity.
         ***********************************************************************************************/

        /// <summary>
        /// This is the Primary key value of the InquiryId, which can't be assigned from the application,
        /// to ensure the data consistancy, by not letting the user to change the PK_TblInquires to update the data of an another TblInquires instance.
        /// For view or updation purpose, every TblInquires will be retrieved thru the proper 'Get' method.
        /// </summary>

        public Int32 InquiryId
        {
            get { return _inquiryId; }
        }


        public String Name
        {
            get { return _name; }
            set { _name = value; }
        }

        public String Organization
        {
            get { return _organization; }
            set { _organization = value; }
        }

        public String Telephone
        {
            get { return _telephone; }
            set { _telephone = value; }
        }

        public String EmailAddress
        {
            get { return _emailAddress; }
            set { _emailAddress = value; }
        }

        public String Website
        {
            get { return _website; }
            set { _website = value; }
        }

        public String Subject
        {
            get { return _subject; }
            set { _subject = value; }
        }

        public String Inquires
        {
            get { return _inquires; }
            set { _inquires = value; }
        }

        public DateTime CreateDate
        {
            get { return _createDate; }
            set { _createDate = value; }
        }

        public Boolean IsContacted
        {
            get { return _isContacted; }
            set { _isContacted = value; }
        }


        #endregion
        #region TblInquires Static Methods
        /************************************************************************************
                                    -- CREATE METHOD (STATIC) --
        *************************************************************************************/
        /************************* Architecure note:**********************************
        Note 1:
        This method is specially useful for the case, where we need to use Object Data Source controls.
        For ObjectDataSource/SqlDataSource controls, the insert/update metnod requires paramters methods, rather property based methods.
        However, there is still a way to pass property based objects as method parameter for data source controls, 
        but in that case we could not use Sql type, as view controls or asp parameter control can only contain few of primitive type.
        The main reason to remain the Sql Type in our object architecture is it is faster and contains better way for null value support.
        
        Note 2: 
        Non-primary key: it should be primitive type, as the asp paramter control (included in data source control) supports only primitive types.
        /*****************************************************************************/
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Insert, true)]
        public static Int32 CreateNewTblInquires
        (
            String name,
            String organization,
            String telephone,
            String emailAddress,
            String website,
            String subject,
            String inquires,
            DateTime createDate,
            Boolean isContacted
        )
        {
            //creating an empty TblInquires object
            TblInquires tblInquires = new TblInquires();
            tblInquires.Name = name;
            tblInquires.Organization = organization;
            tblInquires.Telephone = telephone;
            tblInquires.EmailAddress = emailAddress;
            tblInquires.Website = website;
            tblInquires.Subject = subject;
            tblInquires.Inquires = inquires;
            tblInquires.CreateDate = createDate;
            tblInquires.IsContacted = isContacted;

            return TblInquires.CreateNewTblInquires(tblInquires);
        }

        /************************************************************************************
                 -- UPDATE METHODS (STATIC) --
        *************************************************************************************/

        /************************* Architecure note:**********************************
        Note 1:
        This method is specially useful for the case, where we need to use Object Data Source controls.
        For ObjectDataSource/SqlDataSource controls, the insert/update metnod requires paramters methods, rather property based methods.
        However, there is still a way to pass property based objects as method parameter for data source controls, 
        but in that case we could not use Sql type, as view controls or asp parameter control can only contain few of primitive type.
        The main reason to remain the Sql Type in our object architecture is it is faster and contains better way for null value support.
        
        Note 2: 
        There the two types of paramaters will be passed here.
         * a. Primary key paramater: it should be Sql type, as we will bind the primary key property for the view controls (form view, details view etc) as datakey.
         * b. Non-primary key: it should be primitive type, as the asp paramter control (included in data source control) supports only primitive types.
        /*****************************************************************************/

        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Update, true)]
        public static bool UpdateTblInquires
        (
            Int32 inquiryId,
            String name,
            String organization,
            String telephone,
            String emailAddress,
            String website,
            String subject,
            String inquires,
            DateTime createDate,
            Boolean isContacted
        )
        {
            TblInquires tblInquires = TblInquires.GetTblInquiresByInquiryId(inquiryId);

            tblInquires.Name = name;
            tblInquires.Organization = organization;
            tblInquires.Telephone = telephone;
            tblInquires.EmailAddress = emailAddress;
            tblInquires.Website = website;
            tblInquires.Subject = subject;
            tblInquires.Inquires = inquires;
            tblInquires.CreateDate = createDate;
            tblInquires.IsContacted = isContacted;

            return TblInquires.UpdateTblInquires(tblInquires);
        }

        /************************************************************************************
                         -- DELETE METHODS --
        *************************************************************************************/
        /************************* Architecure note:**********************************
        We have used the employeeId parameter as SqlInt32, to bind the delete method with object data source and view control directly.
        ****************************************************************************/
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Update, true)]
        public static bool DeleteTblInquires
        (
            Int32 inquiryId
        )
        {
            //Validate Input
            if (inquiryId <= GetInquiryIdMinValue)
                throw (new ArgumentOutOfRangeException("inquiryId"));

            // Execute SQL Command
            SqlCommand sqlCmd = new SqlCommand();
            AddParameterToSqlCmd(sqlCmd, "@ReturnValue", SqlDbType.Int, 0, ParameterDirection.ReturnValue, null);
            AddParameterToSqlCmd(sqlCmd, "@InquiryId", SqlDbType.Int, 0, ParameterDirection.Input, inquiryId);
            SetCommandType(sqlCmd, CommandType.StoredProcedure, SP_TBLINQUIRES_DELETETBLINQUIRES);
            ExecuteScalarCmd(sqlCmd);
            int returnValue = (int)sqlCmd.Parameters["@ReturnValue"].Value;
            return (returnValue == 0 ? false : true);

        }

        /// <summary>
        /// Deletes a set of employees from the database.
        /// </summary>
        public static bool DeleteTblInquiresList(System.Collections.Generic.List<Int32> inquiryIdListToDelete)
        {
            //Validate Input
            foreach (Int32 inquiryId in inquiryIdListToDelete)
                if (inquiryId <= GetInquiryIdMinValue)
                    throw (new ArgumentOutOfRangeException("inquiryId"));

            //performing deletion operation //

            string xmlString = FormatXMLForIdArray(inquiryIdListToDelete);

            // Execute SQL Command
            SqlCommand sqlCmd = new SqlCommand();
            AddParameterToSqlCmd(sqlCmd, "@ReturnValue", SqlDbType.Int, 0, ParameterDirection.ReturnValue, null);
            AddParameterToSqlCmd(sqlCmd, "@InquiryIdList", SqlDbType.Xml, xmlString.ToString().Length, ParameterDirection.Input, xmlString.ToString());
            SetCommandType(sqlCmd, CommandType.StoredProcedure, SP_TBLINQUIRES_DELETETBLINQUIRESLIST);
            ExecuteScalarCmd(sqlCmd);
            int returnValue = (int)sqlCmd.Parameters["@ReturnValue"].Value;
            return (returnValue == inquiryIdListToDelete.Count ? true : false);
        }

        /************************************************************************************
                                 -- GET BY PRIMARY METHODS --
        *************************************************************************************/
        /************************* Architecure note:**********************************
        Retrives an Employee from database, based on it's primary key.
        To view or update an employee, everytime we must have to use this type of 'get' method, 
        since we don't have direct access to the Primary key value for assigning value.
        We have used the employeeId parameter as SqlInt32, to bind the delete method with object data source and view control directly.
        /*****************************************************************************/
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
        public static TblInquires GetTblInquiresByInquiryId(Int32 inquiryId)
        {
            if (inquiryId <= GetInquiryIdMinValue)
                throw (new ArgumentOutOfRangeException("inquiryId"));

            // Execute SQL Command
            SqlCommand sqlCmd = new SqlCommand();
            AddParameterToSqlCmd(sqlCmd, "@InquiryId", SqlDbType.Int, 0, ParameterDirection.Input, inquiryId);
            SetCommandType(sqlCmd, CommandType.StoredProcedure, SP_TBLINQUIRES_GETTBLINQUIRESBYINQUIRYID);
            GenerateCollectionFromReader test = new GenerateCollectionFromReader(GenerateTblInquiresCollectionFromReader);
            CustomCollection<TblInquires> objCollection = ((CustomCollection<TblInquires>)ExecuteReaderCmd(sqlCmd, test));

            if (objCollection.Count > 0)
                return objCollection[0];
            else
                return null;
        }

        /************************************************************************************
                         -- GET BY FOREIGN KEY METHODS --
        *************************************************************************************/

        /************************************************************************************
                 -- GET ALL METHODS --
        *************************************************************************************/
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
        public static CustomCollection<TblInquires> GetAllTblInquires()
        {

            // Execute SQL Command
            SqlCommand sqlCmd = new SqlCommand();
            SetCommandType(sqlCmd, CommandType.StoredProcedure, SP_TBLINQUIRES_GETALLTBLINQUIRES);
            GenerateCollectionFromReader test = new GenerateCollectionFromReader(GenerateTblInquiresCollectionFromReader);
            CustomCollection<TblInquires> objCollection = ((CustomCollection<TblInquires>)ExecuteReaderCmd(sqlCmd, test));

            return objCollection;
        }

        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
        public static CustomCollection<TblInquires> GetAllTblInquiresPaged(String orderBy, Int32 startRowIndex, Int32 maximumRows)
        {
            //Validate Input
            if (orderBy == "")
                orderBy = "InquiryId";

            // Execute SQL Command
            SqlCommand sqlCmd = new SqlCommand();
            AddParameterToSqlCmd(sqlCmd, "@orderby", SqlDbType.VarChar, 50, ParameterDirection.Input, orderBy);
            AddParameterToSqlCmd(sqlCmd, "@startrow", SqlDbType.Int, 0, ParameterDirection.Input, startRowIndex);
            AddParameterToSqlCmd(sqlCmd, "@pagesize", SqlDbType.Int, 0, ParameterDirection.Input, maximumRows);

            SetCommandType(sqlCmd, CommandType.StoredProcedure, SP_TBLINQUIRES_GETALLTBLINQUIRESPAGED);

            GenerateCollectionFromReader test = new GenerateCollectionFromReader(GenerateTblInquiresCollectionFromReader);
            CustomCollection<TblInquires> objCollection = ((CustomCollection<TblInquires>)ExecuteReaderCmd(sqlCmd, test));
            return objCollection;
        }

        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
        public static int GetAllTblInquiresPagedCount(String orderBy, Int32 startRowIndex, Int32 maximumRows)
        {
            // Execute SQL Command
            SqlCommand sqlCmd = new SqlCommand();

            AddParameterToSqlCmd(sqlCmd, "@ReturnValue", SqlDbType.Int, 0, ParameterDirection.ReturnValue, null);
            SetCommandType(sqlCmd, CommandType.StoredProcedure, SP_TBLINQUIRES_GETALLTBLINQUIRESPAGEDCOUNT);
            ExecuteScalarCmd(sqlCmd);

            int returnValue = (int)sqlCmd.Parameters["@ReturnValue"].Value;
            return returnValue;
        }

        #endregion
        #region Employee Instance Methods
        /************************************************************************************
                                    -- SAVE (INSERT/UPDATE) METHODS (INSTANCE) --
        *************************************************************************************/
        /// <summary>
        /// Saves (inserts and updates) an Employee into database.
        /// The insertion occur if the EmployeeId conatins default value.
        /// Otherwises it updates the Employee into the database, based on the primary key value stored in EmployeeId.
        /// This technique ensures an Employee will not be updated without having a valid EmployeeId.
        /// </summary>
        public bool Save()
        {
            if (InquiryId <= GetInquiryIdMinValue)
            {
                Int32 TempId = CreateNewTblInquires(this);
                if (TempId > 0)
                {
                    _inquiryId = TempId;
                    return true;
                }
                else
                {
                    // error occurs
                    return false;
                }
            }
            else
            {	//This is a update Command
                return (UpdateTblInquires(this));
            }

        }

        public static Int32 CreateNewTblInquires(TblInquires newTblInquires)
        {
            // validate Parameters
            if (newTblInquires == null)
                throw (new ArgumentNullException("newTblInquires"));

            // Execute SQL Command
            SqlCommand sqlCmd = new SqlCommand();
            int length = 0;
            AddParameterToSqlCmd(sqlCmd, "@ReturnValue", SqlDbType.Int, 0, ParameterDirection.ReturnValue, null);

            AddParameterToSqlCmd(sqlCmd, "@Name", SqlDbType.NVarChar, 500, ParameterDirection.Input, newTblInquires.Name);
            AddParameterToSqlCmd(sqlCmd, "@Organization", SqlDbType.NVarChar, 500, ParameterDirection.Input, newTblInquires.Organization);
            AddParameterToSqlCmd(sqlCmd, "@Telephone", SqlDbType.NVarChar, 50, ParameterDirection.Input, newTblInquires.Telephone);
            AddParameterToSqlCmd(sqlCmd, "@EmailAddress", SqlDbType.NVarChar, 50, ParameterDirection.Input, newTblInquires.EmailAddress);
            AddParameterToSqlCmd(sqlCmd, "@Website", SqlDbType.NVarChar, 500, ParameterDirection.Input, newTblInquires.Website);
            AddParameterToSqlCmd(sqlCmd, "@Subject", SqlDbType.NVarChar, 500, ParameterDirection.Input, newTblInquires.Subject);
            AddParameterToSqlCmd(sqlCmd, "@Inquires", SqlDbType.NVarChar, 4000, ParameterDirection.Input, newTblInquires.Inquires);
            AddParameterToSqlCmd(sqlCmd, "@CreateDate", SqlDbType.DateTime, 0, ParameterDirection.Input, newTblInquires.CreateDate);
            AddParameterToSqlCmd(sqlCmd, "@IsContacted", SqlDbType.Bit, 0, ParameterDirection.Input, newTblInquires.IsContacted);

            SetCommandType(sqlCmd, CommandType.StoredProcedure, SP_TBLINQUIRES_CREATENEWTBLINQUIRES);
            ExecuteScalarCmd(sqlCmd);
            return (Int32.Parse(sqlCmd.Parameters["@ReturnValue"].Value.ToString()));

        }
        /// <summary>
        /// Updates an TblInquires instance to the database.
        /// </summary>
        public static bool UpdateTblInquires(TblInquires newTblInquires)
        {
            // validate Parameters
            if (newTblInquires == null)
                throw (new ArgumentNullException("newTblInquires"));

            // Execute SQL Command
            SqlCommand sqlCmd = new SqlCommand();
            int length = 0;
            AddParameterToSqlCmd(sqlCmd, "@ReturnValue", SqlDbType.Int, 0, ParameterDirection.ReturnValue, null);

            AddParameterToSqlCmd(sqlCmd, "@InquiryId", SqlDbType.Int, 0, ParameterDirection.Input, newTblInquires.InquiryId);
            AddParameterToSqlCmd(sqlCmd, "@Name", SqlDbType.NVarChar, 500, ParameterDirection.Input, newTblInquires.Name);
            AddParameterToSqlCmd(sqlCmd, "@Organization", SqlDbType.NVarChar, 500, ParameterDirection.Input, newTblInquires.Organization);
            AddParameterToSqlCmd(sqlCmd, "@Telephone", SqlDbType.NVarChar, 50, ParameterDirection.Input, newTblInquires.Telephone);
            AddParameterToSqlCmd(sqlCmd, "@EmailAddress", SqlDbType.NVarChar, 50, ParameterDirection.Input, newTblInquires.EmailAddress);
            AddParameterToSqlCmd(sqlCmd, "@Website", SqlDbType.NVarChar, 500, ParameterDirection.Input, newTblInquires.Website);
            AddParameterToSqlCmd(sqlCmd, "@Subject", SqlDbType.NVarChar, 500, ParameterDirection.Input, newTblInquires.Subject);
            AddParameterToSqlCmd(sqlCmd, "@Inquires", SqlDbType.NVarChar, 4000, ParameterDirection.Input, newTblInquires.Inquires);
            AddParameterToSqlCmd(sqlCmd, "@CreateDate", SqlDbType.DateTime, 0, ParameterDirection.Input, newTblInquires.CreateDate);
            AddParameterToSqlCmd(sqlCmd, "@IsContacted", SqlDbType.Bit, 0, ParameterDirection.Input, newTblInquires.IsContacted);

            SetCommandType(sqlCmd, CommandType.StoredProcedure, SP_TBLINQUIRES_UPDATETBLINQUIRES);
            ExecuteScalarCmd(sqlCmd);
            int returnValue = (int)sqlCmd.Parameters["@ReturnValue"].Value;
            return (returnValue == 0 ? false : true);
        }
        #endregion

        #region TblInquires Related Collections
        /// <summary>
        /// Creates and returns a strongly typed collection of Employee custom entity. 
        /// The colelction is created through iterating on the IdataReader object which contains Employee information, as a set of records, similar to tabular format.
        /// </summary>
        public static CollectionBase GenerateTblInquiresCollectionFromReader(IDataReader returnData)
        {

            //creating the instance of Employee collection
            CustomCollection<TblInquires> colTblInquires = new CustomCollection<TblInquires>();

            /************************* Architecure note:**********************************
             * Below code includes the null value functionality to retieve the data which has nill value in database end.
             * Design consideration:
             * Besides general data fields, special care should be taken for primary keys, to assign '0'/defaultvalue, rather passing 'Null' value in constructor parameter.
             * Although we are considering sqldb tyoe data for the current data container, but while retireving data from database end, through datareader object, we need to cast data reader objects using .net primitive data type, 
             * rather using sqldb type to cast, since data reader objects don't support sql db type to be casted.
             *****************************************************************************/

            //Iterating thriugh the data reader, to generate Employee collection.

            //getting the Employee collection by iterating thru the data reader
            while (returnData.Read())
            {
                //passing the TblInquires constructor parameters from the current instance of data reader fields.
                TblInquires newTblInquires = new TblInquires
                (
                    returnData["InquiryId"] == System.DBNull.Value ? GetInquiryIdMinValue : (Int32)returnData["InquiryId"],
                    returnData["Name"] == System.DBNull.Value ? string.Empty : (String)returnData["Name"],
                    returnData["Organization"] == System.DBNull.Value ? string.Empty : (String)returnData["Organization"],
                    returnData["Telephone"] == System.DBNull.Value ? string.Empty : (String)returnData["Telephone"],
                    returnData["EmailAddress"] == System.DBNull.Value ? string.Empty : (String)returnData["EmailAddress"],
                    returnData["Website"] == System.DBNull.Value ? string.Empty : (String)returnData["Website"],
                    returnData["Subject"] == System.DBNull.Value ? string.Empty : (String)returnData["Subject"],
                    returnData["Inquires"] == System.DBNull.Value ? string.Empty : (String)returnData["Inquires"],
                    returnData["CreateDate"] == System.DBNull.Value ? DateTime.MinValue : (DateTime)returnData["CreateDate"],
                    returnData["IsContacted"] == System.DBNull.Value ? false : (Boolean)returnData["IsContacted"]

                );
                //adding the Employee to the collection
                colTblInquires.Add(newTblInquires);
            }

            //returns the collection of Companys 
            return (colTblInquires);
        }

        #endregion
        #region Constants and Default Values

        public static Int32 GetInquiryIdMinValue
        {
            get
            {
                return 0;
            }
        }

        //create method related contants
        internal const string SP_TBLINQUIRES_CREATENEWTBLINQUIRES = "sp_TblInquires_CreateNewTblInquires";
        internal const string SP_TBLINQUIRES_UPDATETBLINQUIRES = "sp_TblInquires_UpdateTblInquires";
        internal const string SP_TBLINQUIRES_DELETETBLINQUIRES = "sp_TblInquires_DeleteTblInquires";
        internal const string SP_TBLINQUIRES_DELETETBLINQUIRESLIST = "sp_TblInquires_DeleteTblInquiresList";
        internal const string SP_TBLINQUIRES_GETTBLINQUIRESBYINQUIRYID = "sp_TblInquires_GetTblInquiresByInquiryId";
        internal const string SP_TBLINQUIRES_GETALLTBLINQUIRES = "sp_TblInquires_GetAllTblInquires";
        internal const string SP_TBLINQUIRES_GETALLTBLINQUIRESPAGED = "sp_TblInquires_GetAllTblInquiresPaged";
        internal const string SP_TBLINQUIRES_GETALLTBLINQUIRESPAGEDCOUNT = "sp_TblInquires_GetAllTblInquiresPagedCount";

        #endregion
    }
}
